Hyundai Sonata 1991 Shop Manual page 133

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1.
Make a continuity check on the stator coil. Check to ensure
that there is continuity between coil leads.
If there is no continuity, replace stator assembly.
STATOR
CHARGING SYSTEM
Y27BJOA
2.
Check coil for grounding. Check to ensure that there is no
continuity between coil and core.
If there is continuity, replace stator assembly.
Check for continuity between the positive rectifier and stator coil
lead connection terminal with a ohmmeter. The ohmmeter
should rear continuity in only one direction. If there is continuity
in both directions, diode is shorted.
Replace rectifier assembly.
RECTIFIERS
Positive rectifier test
Y27BKOA
Negative rectifier test
Check for continuity between negative rectifier and stator coil
lead connection terminal. The ohmmeter should rear continuity
in only one direction. If there is continuity in both directions, a
diode is shorted, and rectifier assembly must be replaced.
27-14

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